Stadium: Court 2 Round: 44 Ground: Carpet indoor
| ITF Germany F16 | 2018/10/21 08:00 | Mannapov, Alexander v Kempen, Lynn Max | 7-5,6-1 |
| ITF Germany F15 | 2018/10/08 08:00 | Patrick Zahraj v Mannapov, Alexander | 6-3,6-2 |
| ITF Germany F15 | 2018/10/07 08:00 | Avetisyan, Michael v Mannapov, Alexander | 2-6,2-6 |
| ITF Germany F5 | 2018/06/24 15:00 | Mannapov, Alexander v Schneider, Vincent Thierry | 2-6,4-6 |
| ITF Qatar F2 Qual | 2018/03/03 09:55 | Niklas Schell v Mannapov, Alexander | 4-6,6-1,7-5 |
| Qatar F1, Singles | 2018/02/27 14:05 | Mannapov, Alexander v Kai Wehnelt | 7-6,2-6,2-6 |
| ITF Qatar F1 Qual | 2018/02/26 13:05 | Mannapov, Alexander v Rother, Jannik | 6-4,6-0 |
| ITF Qatar F1 Qual | 2018/02/25 13:35 | Maqdes, Abdullah v Mannapov, Alexander | 3-6,4-6 |
| ITF Great Britain F5 | 2018/09/17 09:30 | Terczynski, Mateusz v Taylor, Sam | 6-7,3-6 |
| ITF Great Britain F5 | 2018/09/16 12:00 | Terczynski, Mateusz v Newman-Billington, Joseph | 7-5,6-2 |
| ITF Belgium F10 | 2018/08/28 10:00 | Nikolas Sanchez Izquierdo v Terczynski, Mateusz | 6-1,6-3 |
| ITF Poland F8 | 2018/08/19 09:30 | Terczynski, Mateusz v Mikula, Michal | 6-7,4-6 |
| ITF Poland F6 | 2018/08/07 13:55 | Terczynski, Mateusz v Vladyslav Orlov | 7-5,3-6,1-6 |
| ITF Latvia F1 | 2018/07/30 07:10 | Portales, Nino v Terczynski, Mateusz | 6-3,0-6,6-4 |
| ITF Lithuania F1 | 2018/07/25 11:30 | Solberg, Christoffer v Terczynski, Mateusz | 6-3,5-7,7-5 |
| ITF Lithuania F1 | 2018/07/23 08:10 | Terczynski, Mateusz v Tverijonas, Julius | 5-7,7-5,7-6 |